Patents by Inventor Larry Lee Wenning

Larry Lee Wenning has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Corrugated plastic wall panels
    Patent number: 5792487
    Abstract: A corrugated plastic panel is produced by providing a plastic panel corrugation device whereby a plastic material is extruded, a cooled extrusion is formed by passing the extrusion through a cooling roller assembly, a corrugated extrusion is formed by passing the cooled extrusion through a forming roller assembly when the cooled extrusion has reached its impressionable temperature range, a corrugated extrusion is passed through a pulling roller assembly when the corrugated extrusion has reached its hardening temperature range, and a corrugated plastic panel is formed by passing the corrugated extrusion through an extrusion cutting assembly.
    Type: Grant
    Filed: April 10, 1996
    Date of Patent: August 11, 1998
    Assignee: Witt Plastics of Florida Inc.
    Inventors: Larry Lee Wenning, Charles L. Beatty